[PATCH] pinctrl: fix low level output voltage issue

Linus Walleij linus.walleij at linaro.org
Fri Dec 4 03:43:46 EST 2020


On Fri, Nov 20, 2020 at 10:31 AM Zhiyong Tao <zhiyong.tao at mediatek.com> wrote:

> This patch is used to fix low level output voltage issue.
> A pin is changed from input pull-up to output high.
> The Dout value of the pin is default as 0.
> If we change the direction of the pin before the dout value of the pin,
> It maybe produce a low level output voltage between "input pull-up" and
> "output high".
>
> Signed-off-by: Zhiyong Tao <zhiyong.tao at mediatek.com>

Patch applied!

Yours,
Linus Walleij



More information about the Linux-mediatek mailing list